Masimo Corporation (MASI) Insider Trading Activity

Masimo Corporation develops, manufactures, and markets noninvasive monitoring technologies and hospital automation solutions worldwide. The company offers masimo signal extraction technology (SET) pulse oximetry with measure-through motion and low perfusion pulse oximetry monitoring to address the primary limitations of conventional pulse oximetry. It also provides Masimo rainbow SET platform that includes rainbow SET Pulse CO-Oximetry products that noninvasively monitor hemoglobin species, including oxygen saturation, pulse rate, perfusion index, pleth variability index, and respiration rate from the pleth; noninvasively monitor hemoglobin concentration, and carboxyhemoglobin and methemoglobin; monitor arterial oxygen saturation and acoustic respiration rate; and calculates oxygen content and oxygen reserve index. It offers SedLine brain function monitoring technology to measure the brain's electrical activity by detecting EEG signals; capnography and gas monitoring products comprising external plug-in-and-measure capnography and gas analyzers, integrated modules, handheld capnograph and capnometer devices, and capnography sampling lines; O3 regional oximetry for tissue oxygen saturation measurement; and hemodynamic monitoring solutions. Its Masimo Hospital Automation platform includes Patient SafetyNet, Patient SafetyNet surveillance, Kite, UniView, Replica, UniView : 60, and MyView. It offers connectivity devices; and nasal high flow ventilation and neuromodulation solutions. It provides its products through direct sales force, distributors, and original equipment manufacturers partners to hospitals, emergency medical service and home care providers, long-term care facilities, physician offices, veterinarians, and consumers; and non-medical/consumer products through e-commerce site, masimopersonalhealth.com. The company was incorporated in 1989 and is headquartered in Irvine, California.

Show less

Over the last 12 months, insiders at Masimo Corporation have bought $468,500 and sold $4.53M worth of Masimo Corporation stock.

On average, over the past 5 years, insiders at Masimo Corporation have bought $1.95M and sold $25.67M worth of stock each year.

Highest buying activity among insiders over the last 12 months: Jellison William R (director) — $437,940. Brennan Michelle (Chairman of the Board) — $30,560.

The last purchase of 100 shares for transaction amount of $15,525 was made by Brennan Michelle (Chairman of the Board) on 2025‑08‑13.